CJCU

Chem. J. Chinese Universities ›› 1992, Vol. 13 ›› Issue (8): 1090.

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Studies on Two New Triterpenoids from Astragalus Adsurgens Pall

ZHENG Shang-Zhen, SUN Li-Ping, SHEN Xu-Wei   

  1. Department of Chemistry, Northwestern Normal University, Lanzhou, 730070
  • Received:1991-10-21 Revised:1992-05-17 Online:1992-08-24 Published:1992-08-24

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Abstract: Two new triterpenoids have been obtained from Astragalus adsurgens pall.Their structures were elucidated by means of spectroscopic methods as (20R,24S)-3,16-dicar-bonyl-6α,25-dihydroxy-20,24-epoxy-9,19-cycloadsurgenin and (20R,245)-3,16-dicarbonyl-6α,25-dihydroxy-20,24-epoxy-23-nitrogen-9,19-cycloadsurgenin.

Key words: Astragalus Adsurgens Pall, Bean family, Membranous mile vetch, Adsurgenin

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